CA2807200A1 - Airfoils for use in rotary machines - Google Patents

Airfoils for use in rotary machines Download PDF

Info

Publication number
CA2807200A1
CA2807200A1 CA2807200A CA2807200A CA2807200A1 CA 2807200 A1 CA2807200 A1 CA 2807200A1 CA 2807200 A CA2807200 A CA 2807200A CA 2807200 A CA2807200 A CA 2807200A CA 2807200 A1 CA2807200 A1 CA 2807200A1
Authority
CA
Canada
Prior art keywords
meanline
airfoil section
curvature
angle
chord
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA2807200A
Other languages
English (en)
French (fr)
Inventor
Andrew Breeze-Stringfellow
Manampathy Gangadharan Giridharan
Syed Arif Khalid
Leroy H. Smith, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of CA2807200A1 publication Critical patent/CA2807200A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CA2807200A 2012-02-29 2013-02-21 Airfoils for use in rotary machines Abandoned CA2807200A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261605041P 2012-02-29 2012-02-29
US61/605,041 2012-02-29
US13/437,476 US9340277B2 (en) 2012-02-29 2012-04-02 Airfoils for use in rotary machines
US13/437,476 2012-04-02

Publications (1)

Publication Number Publication Date
CA2807200A1 true CA2807200A1 (en) 2013-08-29

Family

ID=47750506

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2807200A Abandoned CA2807200A1 (en) 2012-02-29 2013-02-21 Airfoils for use in rotary machines

Country Status (6)

Country Link
US (1) US9340277B2 (de)
EP (1) EP2634087A3 (de)
JP (1) JP2013237430A (de)
CN (1) CN103287573B (de)
BR (1) BR102013003836A2 (de)
CA (1) CA2807200A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201301329D0 (en) * 2013-01-25 2013-03-06 Rolls Royce Plc Fluidfoil
US9845684B2 (en) * 2014-11-25 2017-12-19 Pratt & Whitney Canada Corp. Airfoil with stepped spanwise thickness distribution
EP3112258B1 (de) * 2015-07-03 2017-09-13 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Schaufeln für rotorblätter von drehflüglerluftfahrzeugen
US9868525B2 (en) * 2015-09-25 2018-01-16 The Boeing Company Low speed airfoil design for aerodynamic improved performance of UAVs
EP3231996B1 (de) * 2016-04-11 2020-06-17 Rolls-Royce plc Schaufel für eine axialströmungsmaschine
US10710705B2 (en) * 2017-06-28 2020-07-14 General Electric Company Open rotor and airfoil therefor
US10358926B2 (en) 2017-08-11 2019-07-23 General Electric Company Low-noise airfoil for an open rotor
WO2019127028A1 (zh) * 2017-12-26 2019-07-04 深圳市大疆创新科技有限公司 螺旋桨、动力组件及飞行器
DE102021123281A1 (de) * 2021-09-08 2023-03-09 MTU Aero Engines AG Schaufelblatt für einen Verdichter einer Strömungsmaschine
US11572827B1 (en) 2021-10-15 2023-02-07 General Electric Company Unducted propulsion system
US11753144B2 (en) 2021-10-15 2023-09-12 General Electric Company Unducted propulsion system
US11608743B1 (en) * 2022-02-04 2023-03-21 General Electric Company Low-noise blade for an open rotor
US12049306B2 (en) 2022-02-04 2024-07-30 General Electric Company Low-noise blade for an open rotor

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565548A (en) * 1969-01-24 1971-02-23 Gen Electric Transonic buckets for axial flow turbines
US4459083A (en) * 1979-03-06 1984-07-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Shapes for rotating airfoils
FR2463054A1 (fr) * 1979-08-10 1981-02-20 Aerospatiale Profil de pale pour voilure tournante d'aeronef
US4431376A (en) * 1980-10-27 1984-02-14 United Technologies Corporation Airfoil shape for arrays of airfoils
GB2106192A (en) * 1981-09-24 1983-04-07 Rolls Royce Turbomachine blade
US4427168A (en) * 1981-09-29 1984-01-24 The Boeing Company Variable camber leading edge mechanism with Krueger flap
FR2536365A1 (fr) * 1982-11-18 1984-05-25 Onera (Off Nat Aerospatiale) Pale pour propulseur d'aeronef
FR2590229B1 (fr) * 1985-11-19 1988-01-29 Onera (Off Nat Aerospatiale) Perfectionnements apportes aux helices aeriennes en ce qui concerne le profil de leurs pales
US4784575A (en) * 1986-11-19 1988-11-15 General Electric Company Counterrotating aircraft propulsor blades
CA1320713C (en) 1987-09-03 1993-07-27 Harry Stephen Wainauski Airfoiled blade
US4834617A (en) * 1987-09-03 1989-05-30 United Technologies Corporation Airfoiled blade
US4830574A (en) * 1988-02-29 1989-05-16 United Technologies Corporation Airfoiled blade
US4976102A (en) 1988-05-09 1990-12-11 General Electric Company Unducted, counterrotating gearless front fan engine
US4941803A (en) * 1989-02-01 1990-07-17 United Technologies Corporation Airfoiled blade
US5911559A (en) * 1997-09-16 1999-06-15 United Technologies Corporation Airfoiled blade for a propeller
US6733240B2 (en) 2001-07-18 2004-05-11 General Electric Company Serrated fan blade
US6899525B2 (en) * 2002-07-22 2005-05-31 Arthur Vanmoor Blade and wing configuration
GB2400089B (en) * 2003-04-04 2006-07-26 Adrian Alexander Hubbard High lift and high strength aerofoil section
JP2005282492A (ja) * 2004-03-30 2005-10-13 Mitsubishi Fuso Truck & Bus Corp 翼形状作成プログラム及び方法
US20080118362A1 (en) 2006-11-16 2008-05-22 Siemens Power Generation, Inc. Transonic compressor rotors with non-monotonic meanline angle distributions
US8083487B2 (en) 2007-07-09 2011-12-27 General Electric Company Rotary airfoils and method for fabricating same
US8393872B2 (en) * 2009-10-23 2013-03-12 General Electric Company Turbine airfoil
US9102397B2 (en) 2011-12-20 2015-08-11 General Electric Company Airfoils including tip profile for noise reduction and method for fabricating same
US9249666B2 (en) 2011-12-22 2016-02-02 General Electric Company Airfoils for wake desensitization and method for fabricating same

Also Published As

Publication number Publication date
BR102013003836A2 (pt) 2014-04-22
US20130224031A1 (en) 2013-08-29
EP2634087A2 (de) 2013-09-04
CN103287573A (zh) 2013-09-11
JP2013237430A (ja) 2013-11-28
CN103287573B (zh) 2018-02-06
EP2634087A3 (de) 2017-08-30
US9340277B2 (en) 2016-05-17

Similar Documents

Publication Publication Date Title
US9340277B2 (en) Airfoils for use in rotary machines
US11136109B2 (en) Airfoil for a rotary machine including a propellor assembly
US9102397B2 (en) Airfoils including tip profile for noise reduction and method for fabricating same
CN110901928B (zh) 用于飞行器的后发动机机舱形状
CN109996722B (zh) 具有后发动机的飞行器
US9017037B2 (en) Rotor with flattened exit pressure profile
CN106986038B (zh) 具有后发动机的飞行器
US10184340B2 (en) Geared turbofan engine having a reduced number of fan blades and improved acoustics
BR112015002317B1 (pt) Motor de turbina de desvio
RU2716470C1 (ru) Способ усовершенствования лопасти с целью увеличения ее отрицательного критического угла атаки
EP3653513B1 (de) Grenzschichtaufnahmegebläsesystem
US10035582B2 (en) Propeller blade for a turbomachine
CN116291944A (zh) 具有一种带有倾斜锯齿的轮廓的结构
CN109131832B (zh) 开式转子及其翼型
CA3060758C (en) Aircraft with rotating ducted fan
US20170152019A1 (en) Airfoil for a rotary machine including a propellor assembly
CA3041636A1 (en) Propeller assembly
GB2562429A (en) Hub for propeller having variable-pitch blades, with radial and axial dimensioning variation
US10723451B2 (en) Propeller rotor for a vertical take off and landing aircraft
EP3653508B1 (de) Grenzschichtaufnahmegebläsesystem
EP2759471B1 (de) Flügel
EP3653507B1 (de) Grenzschichtaufnahmegebläsesystem
EP3653512B1 (de) Grenzschichtaufnahmegebläsesystem
GB2474511A (en) Variable pitch aerofoil blade

Legal Events

Date Code Title Description
FZDE Dead

Effective date: 20190221